Revenue (Schedule of Revenue Disaggregation by Product Category) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Oct. 28, 2023	Oct. 28, 2023	Oct. 29, 2022	Oct. 28, 2023	Oct. 29, 2022
Disaggregation Of Revenue [Line Items]
Net sales		$ 319,914	$ 341,661	$ 895,713	$ 971,456
Sales Revenue Net | Geographic Concentration Risk
Disaggregation Of Revenue [Line Items]
Percentage of net sales	100.00%		100.00%	100.00%	100.00%
Net sales	$ 319,914		$ 341,661	$ 895,713	$ 971,456
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics
Disaggregation Of Revenue [Line Items]
Percentage of net sales	45.00%		47.00%	50.00%	50.00%
Net sales	$ 144,128		$ 162,291	$ 443,575	$ 493,234
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Women's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	23.00%		24.00%	26.00%	27.00%
Net sales	$ 72,850		$ 83,611	$ 233,355	$ 266,180
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Men's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	15.00%		15.00%	16.00%	16.00%
Net sales	$ 47,324		$ 52,917	$ 142,420	$ 157,060
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Children's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	7.00%		8.00%	8.00%	7.00%
Net sales	$ 23,954		$ 25,763	$ 67,800	$ 69,994
Sales Revenue Net | Geographic Concentration Risk | Athletics
Disaggregation Of Revenue [Line Items]
Percentage of net sales	49.00%		47.00%	45.00%	44.00%
Net sales	$ 155,799		$ 158,289	$ 400,359	$ 421,453
Sales Revenue Net | Geographic Concentration Risk | Athletics | Women's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	15.00%		15.00%	15.00%	15.00%
Net sales	$ 48,642		$ 51,010	$ 132,028	$ 142,555
Sales Revenue Net | Geographic Concentration Risk | Athletics | Men's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	17.00%		17.00%	17.00%	17.00%
Net sales	$ 54,148		$ 55,825	$ 151,280	$ 159,738
Sales Revenue Net | Geographic Concentration Risk | Athletics | Children's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	17.00%		15.00%	13.00%	12.00%
Net sales	$ 53,009		$ 51,454	$ 117,051	$ 119,160
Sales Revenue Net | Geographic Concentration Risk | Accessories
Disaggregation Of Revenue [Line Items]
Percentage of net sales	6.00%		6.00%	5.00%	5.00%
Net sales	$ 18,295		$ 19,466	$ 47,724	$ 51,880
Sales Revenue Net | Geographic Concentration Risk | Other
Disaggregation Of Revenue [Line Items]
Percentage of net sales	0.00%		0.00%	0.00%	1.00%
Net sales	$ 1,692		$ 1,615	$ 4,055	$ 4,889